llvm::orc::SymbolStringPtrBase Class Reference

Base class for both owning and non-owning symbol-string ptrs. More...

#include "llvm/ExecutionEngine/Orc/SymbolStringPool.h"

Inheritance diagram for llvm::orc::SymbolStringPtrBase:

Public Member Functions
	SymbolStringPtrBase ()=default
	SymbolStringPtrBase (std::nullptr_t)
	operator bool () const
StringRef	operator* () const
bool	poolEntryIsAlive () const

Protected Types
using	PoolEntry = SymbolStringPool::PoolMapEntry
using	PoolEntryPtr = PoolEntry *

Protected Member Functions
	SymbolStringPtrBase (PoolEntryPtr S)
size_t	getRefCount () const

Static Protected Member Functions
static bool	isRealPoolEntry (PoolEntryPtr P)

Protected Attributes
PoolEntryPtr	S = nullptr

Static Protected Attributes
static constexpr uintptr_t	EmptyBitPattern
static constexpr uintptr_t	TombstoneBitPattern
static constexpr uintptr_t	InvalidPtrMask

Friends
class	SymbolStringPool
struct	DenseMapInfo< SymbolStringPtr >
struct	DenseMapInfo< NonOwningSymbolStringPtr >
bool	operator== (SymbolStringPtrBase LHS, SymbolStringPtrBase RHS)
bool	operator!= (SymbolStringPtrBase LHS, SymbolStringPtrBase RHS)
bool	operator< (SymbolStringPtrBase LHS, SymbolStringPtrBase RHS)

Detailed Description

Base class for both owning and non-owning symbol-string ptrs.

All symbol-string ptrs are convertible to bool, dereferenceable and comparable.

SymbolStringPtrBases are default-constructible and constructible from nullptr to enable comparison with these values.

Definition at line 70 of file SymbolStringPool.h.

Member Typedef Documentation

PoolEntry

using llvm::orc::SymbolStringPtrBase::PoolEntry = SymbolStringPool::PoolMapEntry

protected

Definition at line 106 of file SymbolStringPool.h.

PoolEntryPtr

using llvm::orc::SymbolStringPtrBase::PoolEntryPtr = PoolEntry *

protected

Definition at line 107 of file SymbolStringPool.h.

Constructor & Destructor Documentation

SymbolStringPtrBase() [1/3]

llvm::orc::SymbolStringPtrBase::SymbolStringPtrBase ( )

default

SymbolStringPtrBase() [2/3]

llvm::orc::SymbolStringPtrBase::SymbolStringPtrBase ( std::nullptr_t  )

inline

Definition at line 77 of file SymbolStringPool.h.

SymbolStringPtrBase() [3/3]

llvm::orc::SymbolStringPtrBase::SymbolStringPtrBase ( PoolEntryPtr  S )

inlineprotected

Definition at line 109 of file SymbolStringPool.h.

Member Function Documentation

getRefCount()

size_t llvm::orc::SymbolStringPtrBase::getRefCount ( ) const

inlineprotected

Definition at line 129 of file SymbolStringPool.h.

References llvm::StringMapEntryStorage< ValueTy >::getValue(), isRealPoolEntry(), and S.

isRealPoolEntry()

static bool llvm::orc::SymbolStringPtrBase::isRealPoolEntry ( PoolEntryPtr  P )

inlinestaticprotected

Definition at line 124 of file SymbolStringPool.h.

References InvalidPtrMask, and P.

Referenced by getRefCount(), poolEntryIsAlive(), and llvm::orc::SymbolStringPtr::SymbolStringPtr().

operator bool()

llvm::orc::SymbolStringPtrBase::operator bool ( ) const

inlineexplicit

Definition at line 79 of file SymbolStringPool.h.

References S.

operator*()

StringRef llvm::orc::SymbolStringPtrBase::operator* ( ) const

inline

Definition at line 81 of file SymbolStringPool.h.

References llvm::StringMapEntry< ValueTy >::first(), and S.

poolEntryIsAlive()

bool llvm::orc::SymbolStringPtrBase::poolEntryIsAlive ( ) const

inline

Definition at line 100 of file SymbolStringPool.h.

References llvm::StringMapEntryStorage< ValueTy >::getValue(), isRealPoolEntry(), and S.

Referenced by llvm::orc::SymbolStringPtr::SymbolStringPtr().

Friends And Related Function Documentation

DenseMapInfo< NonOwningSymbolStringPtr >

friend struct DenseMapInfo< NonOwningSymbolStringPtr >

friend

Definition at line 71 of file SymbolStringPool.h.

DenseMapInfo< SymbolStringPtr >

friend struct DenseMapInfo< SymbolStringPtr >

friend

Definition at line 71 of file SymbolStringPool.h.

operator!=

bool operator!= ( SymbolStringPtrBase  LHS, SymbolStringPtrBase  RHS  )

friend

Definition at line 87 of file SymbolStringPool.h.

operator<

bool operator< ( SymbolStringPtrBase  LHS, SymbolStringPtrBase  RHS  )

friend

Definition at line 91 of file SymbolStringPool.h.

operator==

bool operator== ( SymbolStringPtrBase  LHS, SymbolStringPtrBase  RHS  )

friend

Definition at line 83 of file SymbolStringPool.h.

SymbolStringPool

friend class SymbolStringPool

friend

Definition at line 71 of file SymbolStringPool.h.

Member Data Documentation

EmptyBitPattern

constexpr uintptr_t llvm::orc::SymbolStringPtrBase::EmptyBitPattern

staticconstexprprotected

Initial value:

=
      std::numeric_limits<uintptr_t>::max()
      << PointerLikeTypeTraits<PoolEntryPtr>::NumLowBitsAvailable

Definition at line 111 of file SymbolStringPool.h.

InvalidPtrMask

constexpr uintptr_t llvm::orc::SymbolStringPtrBase::InvalidPtrMask

staticconstexprprotected

Initial value:

=
      (std::numeric_limits<uintptr_t>::max() - 3)
      << PointerLikeTypeTraits<PoolEntryPtr>::NumLowBitsAvailable

Definition at line 119 of file SymbolStringPool.h.

Referenced by isRealPoolEntry().

S

PoolEntryPtr llvm::orc::SymbolStringPtrBase::S = nullptr

protected

Definition at line 133 of file SymbolStringPool.h.

Referenced by llvm::orc::SymbolStringPoolEntryUnsafe::from(), getRefCount(), llvm::orc::SymbolStringPoolEntryUnsafe::moveToSymbolStringPtr(), operator bool(), operator*(), llvm::orc::SymbolStringPtr::operator=(), poolEntryIsAlive(), and llvm::orc::SymbolStringPtr::SymbolStringPtr().

TombstoneBitPattern

constexpr uintptr_t llvm::orc::SymbolStringPtrBase::TombstoneBitPattern

staticconstexprprotected

Initial value:

=
      (std::numeric_limits<uintptr_t>::max() - 1)
      << PointerLikeTypeTraits<PoolEntryPtr>::NumLowBitsAvailable

Definition at line 115 of file SymbolStringPool.h.

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The documentation for this class was generated from the following file:

• include/llvm/ExecutionEngine/Orc/SymbolStringPool.h